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Bain Capital Investors LLC

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13F filer, CIK 1040508, Boston, MA

Bain Capital Investors LLC reported $4,815,782,405 across 8 holdings for the quarter ended 2026-06-30, in a 13F-HR filed 2026-08-14.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001193125-26-350508

Period
2026-06-30
Reported value
$4.82B
Holdings
8
Top 10 weight
100%
New
1
Sold out
0

Part of the filer group Bain Capital Life Sciences Investors, LLC

How groups are built

Largest buys vs the previous quarter

SecurityShares changeApprox. value
KLRAnew+26,255,581$578M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

None.

Holdings, Q2 2026

Share positions as resolved from 13F-HR 0001193125-26-350508, largest first. % of portfolio is the value over $4,815,782,405, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
BOBSBOBS DISC FURNITURE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 95,370,751 shares; 2026Q2: 95,370,751 shares 95,370,751$1.51B31.33%0Timeline
SGRYSURGERY PARTNERS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 49,946,972 shares; 2024Q4: 49,946,972 shares; 2025Q1: 49,946,972 shares; 2025Q2: 49,946,972 shares; 2025Q3: 49,946,972 shares; 2025Q4: 49,946,972 shares; 2026Q1: 49,946,972 shares; 2026Q2: 49,946,972 shares 49,946,972$839M17.42%0Timeline
AVAHAVEANNA HEALTHCARE HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 81,600,880 shares; 2024Q4: 81,600,880 shares; 2025Q1: 81,600,880 shares; 2025Q2: 81,600,880 shares; 2025Q3: 81,600,880 shares; 2025Q4: 81,600,880 shares; 2026Q1: 81,600,880 shares; 2026Q2: 81,600,880 shares 81,600,880$699M14.52%0Timeline
KMTSKESTRA MED TECHNOLOGIES LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 27,019,225 shares; 2025Q2: 27,019,225 shares; 2025Q3: 27,019,225 shares; 2025Q4: 25,172,338 shares; 2026Q1: 25,172,338 shares; 2026Q2: 25,172,338 shares 25,172,338$640M13.3%0Timeline
KLRAKAILERA THERAPEUTICS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: not reported; 2026Q2: 26,255,581 shares 26,255,581$578M12.01%newTimeline
NTNXNUTANIX INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 16,854,032 shares; 2024Q4: 16,854,032 shares; 2025Q1: 10,960,935 shares; 2025Q2: 5,355,285 shares; 2025Q3: 5,355,285 shares; 2025Q4: 5,355,285 shares; 2026Q1: 5,355,285 shares; 2026Q2: 5,355,285 shares 5,355,285$273M5.67%0Timeline
WAYWAYSTAR HLDG CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: 27,980,417 shares; 2024Q4: 27,980,417 shares; 2025Q1: 21,754,536 shares; 2025Q2: 18,055,049 shares; 2025Q3: 13,243,539 shares; 2025Q4: 13,243,539 shares; 2026Q1: 13,243,539 shares; 2026Q2: 13,243,539 shares 13,243,539$272M5.65%0Timeline
ADVADVANTAGE SOLUTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: not reported; 2025Q4: not reported; 2026Q1: 115,600 shares; 2026Q2: 115,600 shares 115,600$5M0.1%0Timeline

How Q2 2026 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001193125-26-350508 base2026-08-14acceptance time not in the bulk data set

Filings

Every filing of this filer: 13F reports and notices, the 13D and 13G it filed or is a reporting person of, and Forms 3, 4 and 5 it reported as an owner.

FilingSubjectFiledAcceptedIngested
13F-HR 0001193125-26-350508 Quarter ended 2026-06-302026-08-14acceptance time not in the bulk data set
13F-HR 0001193125-26-225264 Quarter ended 2026-03-312026-05-15acceptance time not in the bulk data set
13F-HR 0001193125-26-052994 Quarter ended 2025-12-312026-02-17acceptance time not in the bulk data set
13F-HR 0001193125-25-281492 Quarter ended 2025-09-302025-11-14acceptance time not in the bulk data set
13F-HR 0000950123-25-008034 Quarter ended 2025-06-302025-08-14acceptance time not in the bulk data set
13F-HR 0000950123-25-005478 Quarter ended 2025-03-312025-05-15acceptance time not in the bulk data set
13F-HR 0000950123-25-002718 Quarter ended 2024-12-312025-02-14acceptance time not in the bulk data set
13F-HR 0000950123-24-011451 Quarter ended 2024-09-302024-11-14acceptance time not in the bulk data set
13F-HR 0000950123-24-007817 Quarter ended 2024-06-302024-08-12acceptance time not in the bulk data set
13F-HR 0000950123-24-005302 Quarter ended 2024-03-312024-05-15acceptance time not in the bulk data set
13F-HR 0000950123-24-001889 Quarter ended 2023-12-312024-02-13acceptance time not in the bulk data set
13F-HR 0000950123-23-010830 Quarter ended 2023-09-302023-11-14acceptance time not in the bulk data set
13F-HR 0000950123-23-008164 Quarter ended 2023-06-302023-08-14acceptance time not in the bulk data set
13F-HR 0000950123-23-005414 Quarter ended 2023-03-312023-05-15acceptance time not in the bulk data set
13F-HR 0000950123-23-002149 Quarter ended 2022-12-312023-02-14acceptance time not in the bulk data set
13F-HR 0000950123-22-012259 Quarter ended 2022-09-302022-11-14acceptance time not in the bulk data set
13F-HR 0000950123-22-009028 Quarter ended 2022-06-302022-08-15acceptance time not in the bulk data set
13F-HR 0000950123-22-006409 Quarter ended 2022-03-312022-05-16acceptance time not in the bulk data set
13F-HR 0000950123-22-002478 Quarter ended 2021-12-312022-02-14acceptance time not in the bulk data set
13F-HR 0000950123-21-015533 Quarter ended 2021-09-302021-11-15acceptance time not in the bulk data set
13F-HR 0000950123-21-011521 Quarter ended 2021-06-302021-08-16acceptance time not in the bulk data set
13F-HR 0000950123-21-006714 Quarter ended 2021-03-312021-05-17acceptance time not in the bulk data set
13F-HR 0000950123-21-002424 Quarter ended 2020-12-312021-02-16acceptance time not in the bulk data set
13F-HR 0000950123-20-011908 Quarter ended 2020-09-302020-11-16acceptance time not in the bulk data set
13F-HR 0000950123-20-008768 Quarter ended 2020-06-302020-08-14acceptance time not in the bulk data set
13F-HR 0000950123-20-005060 Quarter ended 2020-03-312020-05-15acceptance time not in the bulk data set
13F-HR 0000950123-20-002157 Quarter ended 2019-12-312020-02-14acceptance time not in the bulk data set
13F-HR 0000950123-19-011072 Quarter ended 2019-09-302019-11-14acceptance time not in the bulk data set
13F-HR 0000950123-19-007995 Quarter ended 2019-06-302019-08-14acceptance time not in the bulk data set
13F-HR 0000950123-19-005093 Quarter ended 2019-03-312019-05-15acceptance time not in the bulk data set
13F-HR 0000950123-19-001858 Quarter ended 2018-12-312019-02-14acceptance time not in the bulk data set
13F-HR 0000950123-18-011527 Quarter ended 2018-09-302018-11-14acceptance time not in the bulk data set
13F-HR 0000950123-18-008487 Quarter ended 2018-06-302018-08-14acceptance time not in the bulk data set
13F-HR 0000950123-18-005388 Quarter ended 2018-03-312018-05-15acceptance time not in the bulk data set
13F-HR 0000950123-18-001881 Quarter ended 2017-12-312018-02-14acceptance time not in the bulk data set
13F-HR 0000950123-17-010514 Quarter ended 2017-09-302017-11-14acceptance time not in the bulk data set
13F-HR 0000950123-17-007646 Quarter ended 2017-06-302017-08-14acceptance time not in the bulk data set
13F-HR 0000950123-17-004976 Quarter ended 2017-03-312017-05-15acceptance time not in the bulk data set
13F-HR 0000950123-17-001998 Quarter ended 2016-12-312017-02-14acceptance time not in the bulk data set
13F-HR 0000950123-16-021861 Quarter ended 2016-09-302016-11-14acceptance time not in the bulk data set
13F-HR 0000950123-16-019935 Quarter ended 2016-06-302016-08-15acceptance time not in the bulk data set
13F-HR 0000950123-16-017355 Quarter ended 2016-03-312016-05-16acceptance time not in the bulk data set
13F-HR/A 0001040508-16-000002 Quarter ended 2015-12-312016-03-16acceptance time not in the bulk data set
13F-HR 0000950123-16-014683 Quarter ended 2015-12-312016-02-16acceptance time not in the bulk data set
13F-HR 0000950123-15-011682 Quarter ended 2015-09-302015-11-13acceptance time not in the bulk data set
13F-HR 0000950123-15-009147 Quarter ended 2015-06-302015-08-14acceptance time not in the bulk data set
13F-HR 0000950123-15-006226 Quarter ended 2015-03-312015-05-15acceptance time not in the bulk data set
13F-HR 0000950123-15-003417 Quarter ended 2014-12-312015-02-18acceptance time not in the bulk data set
13F-HR 0001040508-14-000009 Quarter ended 2014-09-302014-11-14acceptance time not in the bulk data set
13F-HR/A 0001040508-14-000008 Quarter ended 2014-06-302014-11-06acceptance time not in the bulk data set
13F-HR/A 0001040508-14-000007 Quarter ended 2014-06-302014-08-14acceptance time not in the bulk data set
13F-HR 0001568944-14-000001 Quarter ended 2014-06-302014-08-13acceptance time not in the bulk data set
13F-HR/A 0001040508-14-000006 Quarter ended 2014-06-302014-08-13acceptance time not in the bulk data set
13F-HR/A 0001040508-14-000004 Quarter ended 2014-06-302014-08-13acceptance time not in the bulk data set
13F-HR 0001040508-14-000002 Quarter ended 2014-03-312014-05-15acceptance time not in the bulk data set
13F-HR 0001040508-14-000001 Quarter ended 2013-12-312014-02-10acceptance time not in the bulk data set
13F-HR 0001040508-13-000003 Quarter ended 2013-09-302013-11-12acceptance time not in the bulk data set
13F-HR 0001040508-13-000002 Quarter ended 2013-06-302013-08-08acceptance time not in the bulk data set